Antoine equations can only be used with pure components, not with mixtures. Considering ideal behaviour, the vapor pressure of a mixture would be P = P1*x1 + P2*x2 (Raoult's law), where P1 and P2 are the vapor pressures of the two components and x1 and x2 their molar fractions
{| |- | log10 Pvap = A - [B / (T °C + C)] barSUSTANCIA FORMULA A BC1-Buteno C4H8 3.91780 908.800 238.540 cis-2-Buteno C4H8 4.00958 967.320 237.873 trans-2-Buteno C4H8 4.00827 967.500 240.840 |} {| |- | log10 Pvap = A - [B / (T °C + C)] barSUSTANCIA FORMULA A BC1-Buteno C4H8 3.91780 908.800 238.540 cis-2-Buteno C4H8 4.00958 967.320 237.873 trans-2-Buteno C4H8 4.00827 967.500 240.840 |}
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Antoine Lavoisier
The Antoine equation for methane looks like: log10(P) = 6.69561 - 405.420 / (T +267.777). P is in mm Hg, T is in degrees C within temperature ranges -181 < T < -152.
Antoine Coefficients for Nitric acid are A=6.6368 B=1.406 C= -52.15 range 274/376 (K) reference :- Vapour Pressure and Antoine Constants for Nitrogen Containing compounds
{| |- | log10 Pvap = A - [B / (T °C + C)] barSUSTANCIA FORMULA A BC1-Buteno C4H8 3.91780 908.800 238.540 cis-2-Buteno C4H8 4.00958 967.320 237.873 trans-2-Buteno C4H8 4.00827 967.500 240.840 |} {| |- | log10 Pvap = A - [B / (T °C + C)] barSUSTANCIA FORMULA A BC1-Buteno C4H8 3.91780 908.800 238.540 cis-2-Buteno C4H8 4.00958 967.320 237.873 trans-2-Buteno C4H8 4.00827 967.500 240.840 |}
Use the Equation of State (EOS) in combination with the Antoine's Equation to determine vapor pressure.
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The Nation Institute of Standards and Technology web site has the figures Note there are three coefficients - the Antoine equation gives a reasonable fit to vapour pressure.
The Antoine coefficients for isobutane in the temperature range of -83°C to 7°C are A=13.8254, B=2181.79, C=248.870. These coefficients are valid for Antoine's equation in the form of ln(Psat [kPa]) = A - B/(T[°C] + C). (Source Introduction to Chemical Engineering Thermodynamics 7th ed by J.M. Smith, p.682)
Antoine is the French form of Anthony. One famous Antoine was Antoine Lavoisier, the chemist.
Antoine Lhouillier goes by Antoine Dezelli.
Antoine Pompe has written: 'Antoine Pompe'
Benz Antoine's birth name is Rubens Antoine.
Antoine's was created in 1840.